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View:  Topic list, Topic summary Topics 1 - 10 of 15133  Older »
Description: Current physics research. (Moderated)
 

The Geometric Representations of the BLL Family of Symmetry Groups 
  I decided to give scribd out a try and (if it works out okay) to place all my notes, expositories, some of my unpublished research, etc. on there. The content spans a large number of fields of mathematics, physics, computer science, logic and other fields in addition. The following has been uploaded to Scribd:... more »
By Alfred Einstead  - 5:52pm - 1 new of 1 message    

Interaction of Graphene with Light reading texts 
  I'm interested to learn how interaction of light with graphene is modeled to derive its optical properties. Please suggest some good reading materials. Thanks.
By shouvik.iit...@gmail.com  - May 16 - 1 new of 1 message    

Dirac's paper on QM of Electron 
  I'm trying to read Dirac's paper "The Quantum Theory of the Electron." I am really struggling with the first displayed equation on 611. Is there a sign error? Should it read something like: F = -(W/c - eA_0/c)^2 + (p + eA/c)^2 + m^2c^2? I googled the Klein-Gordon equation, which Dirac is motivating in this... more »
By Stephen Montgomery-Smith  - May 12 - 9 new of 9 messages    

mass defect 
  ... ... *** Jay Writes *** Hi Mercury: I am going to refer you to my paper below, which was just published on April 30, because it is exactly on point to your question: J. Yablon, "Predicting the Binding Energies of the 1s Nuclides with High Precision, Based on Baryons which Are Yang-Mills Magnetic Monopoles,"... more »
By Jay R. Yablon  - May 9 - 2 new of 2 messages    

Understanding Velocity - Time graphs 
  What would the graphs of the following to cases look like? 1. The body is accelerated non uniformly along a line and then continues moving with non constant acceleration along the opposite direction i.e. back to where it started from. 2. The body is accelerated non uniformly along a line and return to... more »
By Ivana Minz  - May 9 - 3 new of 3 messages    

My four recent peer-reviewed papers are now all published and online... 
  Friends, I wanted to let you know that my recent second, third and fourth peer-reviewed papers were all published on April 30. These papers, in order of logical development, are: 2) J. Yablon, "Predicting the Binding Energies of the 1s Nuclides with High Precision, Based on Baryons which Are Yang-Mills Magnetic Monopoles," Journal... more »
By Jay R. Yablon  - May 6 - 11 new of 11 messages    

Product rule for functional derivatives? 
  Hi alltogether, Consider Lagrange formalism, e.g. Lagrangian mechanics. We have a Lagrangian function L(q, dq/dt) where q is a generalized coordinate and dq/dt its time derivative. Now, according to Hamiltonian principle, L ist stationary with respect to variations \delta q of the trajectory q(t):... more »
By Gregor Scholten  - May 1 - 2 new of 2 messages    

Reporting paper. 
  [[Mod. note -- I have inserted blank lines between the author's paragraphs. -- jt]] Hi, my name is Roberto Bovolenta, and I?m an Italian physicist. In former times I?ve worked in the fields of nanoscience and acoustic, and recently I got interested, on my own, in quantum computation world.... more »
By Roberto Bovolenta  - Apr 29 - 1 new of 1 message    

Hi, How can I get started on reading research papers on mathematical 
  [[Mod. note -- Please limit your text to fit within 80 columns, preferably around 70, so that readers don't have to scroll horizontally to read each line. I have manually reformatted this article. -- jt]] Hi, How can I get started on reading research papers on mathematical and theoretical physics? (math-ph and ph-th in ArXiv) I know... more »
By zahero_2...@yahoo.com  - Apr 29 - 6 new of 6 messages    

mass defect 
  [[Mod. note -- Please limit your text to fit within 80 columns, preferably around 70, so that readers don't have to scroll horizontally to read each line. I have manually reformatted this article. -- jt]] I tought is there any explicit mechanism realizing the mass defect. Something in terms of gravitons or virtual photon. Maybe it looks... more »
By mercury  - Apr 28 - 2 new of 2 messages    

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